Trigoniulidae

Trigoniulidae, is a family of round-backed millipedes of the order Spirobolida. The family includes 171 species belongs to 25 genera.

Genera

 * Acanthiulus
 * Ainigmabolus
 * Apeuthes
 * Cairibolus
 * Chersastus
 * Cingalobolus
 * Decelus
 * Epombrophilus
 * Eucarlia
 * Lankabolus
 * Leptogoniulus
 * Litobolus
 * Marshallbolus
 * Phagostrophus
 * Plokamostrophus
 * Prionopeza
 * Speleostrophus
 * Spirostrophus
 * Sympastrophus
 * Thrinciulus
 * Trigoniulus
 * Trucobolus
 * Variulus
 * Zygostrophus